.room-wrapper{
  width: 25%;
  float: left;
  margin-top: 10px;
}
.room-number{
  width:60px;
  height: 36px;
  border:2px solid #E9E9E9;
  margin: 0 auto;
  border-radius: 4px;
  text-align: center;
  line-height: 36px;
  .active &{
    border: 2px solid #ff9500;
  }
}